/**
  ******************************************************************************
  * @file    GPIO/GPIO_IOToggle/stm32f4xx_it.c 
  * @author  MCD Application Team
  * @version V1.4.0
  * @date    04-August-2014
  * @brief   Main Interrupt Service Routines.
  *          This file provides template for all exceptions handler and 
  *          peripherals interrupt service routine.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT 2013 STMicroelectronics</center></h2>
  *
  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
  * You may not use this file except in compliance with the License.
  * You may obtain a copy of the License at:
  *
  *        http://www.st.com/software_license_agreement_liberty_v2
  *
  * Unless required by applicable law or agreed to in writing, software 
  * distributed under the License is distributed on an "AS IS" BASIS, 
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_it.h"

/** @addtogroup STM32F4xx_StdPeriph_Examples
  * @{
  */

/** @addtogroup GPIO_IOToggle
  * @{
  */

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/

/******************************************************************************/
/*            Cortex-M4 Processor Exceptions Handlers                         */
/******************************************************************************/

/**
  * @brief   This function handles NMI exception.
  * @param  None
  * @retval None
  */
void NMI_Handler(void)
{
}

/**
  * @brief  This function handles Hard Fault exception.
  * @param  None
  * @retval None
  */
void HardFault_Handler(void)
{
  /* Go to infinite loop when Hard Fault exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles Memory Manage exception.
  * @param  None
  * @retval None
  */
void MemManage_Handler(void)
{
  /* Go to infinite loop when Memory Manage exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles Bus Fault exception.
  * @param  None
  * @retval None
  */
void BusFault_Handler(void)
{
  /* Go to infinite loop when Bus Fault exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles Usage Fault exception.
  * @param  None
  * @retval None
  */
void UsageFault_Handler(void)
{
  /* Go to infinite loop when Usage Fault exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles SVCall exception.
  * @param  None
  * @retval None
  */
//void SVC_Handler(void)
//{
//}

/**
  * @brief  This function handles Debug Monitor exception.
  * @param  None
  * @retval None
  */
void DebugMon_Handler(void)
{
}

/**
  * @brief  This function handles PendSVC exception.
  * @param  None
  * @retval None
  */
//void PendSV_Handler(void)
//{
//}

/**
  * @brief  This function handles SysTick Handler.
  * @param  None
  * @retval None
  */
//void SysTick_Handler(void)
//{
//}

/******************************************************************************/
/*                 STM32F4xx Peripherals Interrupt Handlers                   */
/*  Add here the Interrupt Handler for the used peripheral(s) (PPP), for the  */
/*  available peripheral interrupt handler's name please refer to the startup */
/*  file (startup_stm32f40xx.s/startup_stm32f427x.s/startup_stm32f429x.s).    */
/******************************************************************************/

/**
  * @brief  This function handles PPP interrupt request.
  * @param  None
  * @retval None
  */
/*void PPP_IRQHandler(void)
{
}*/
void EXTI9_5_IRQHandler(void)
{
	if(EXTI_GetITStatus(EXTI_Line9))
	{
		EXTI_ClearITPendingBit(EXTI_Line9);
		GPIO_ToggleBits(GPIOA, GPIO_Pin_15);
	}
}
/*void USART6_IRQHandler(void)
{
	if(USART_GetITStatus(USART6, USART_IT_RXNE) != RESET)
	{
		USART_ClearITPendingBit(USART6, USART_IT_RXNE);

		uint8_t data = USART_ReceiveData(USART6);//读取接收数据
		//缓存数据，拼接字符串（假设以换行为结束标志）
		if(data=='\r' || data=='\n')
		{
			if(cmd_len>0)
			{
				cmd_buf[cmd_len] = '\0';
				cmd_received = 1;
			}
			cmd_len=0;
		}
		else if(cmd_len<CMD_BUF_SIZE-1 )
		{
			cmd_buf[cmd_len++] = data;
		}
		USART_SendData(USART6,USART_ReceiveData(USART6));
	}
}*/
/*void TIM7_IRQHandler(void)
{
	if(TIM_GetITStatus(TIM7, TIM_IT_Update))
	{
		TIM_ClearITPendingBit(TIM7, TIM_IT_Update);
		GPIO_ToggleBits(GPIOF, GPIO_Pin_8);
	}
}*/
// 定时器中断服务函数（建议使用TIM6或TIM7作为系统滴答定时器）
/*void TIM6_DAC_IRQHandler(void)
{
    if(TIM_GetITStatus(TIM6, TIM_IT_Update))
    {
        // 清除中断标志位
        TIM_ClearITPendingBit(TIM6, TIM_IT_Update);
		GPIO_ToggleBits(GPIOC, GPIO_Pin_6);
    }
}*/



/**
  * @}
  */ 

/**
  * @}
  */ 


/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
